PRINCETON, NJ -- Despite the recent drop in the U.S. fertility rate, Americans' attitudes about having children have remained unchanged over the past 23 years. More than nine in 10 adults say they already have children, are planning to have children, or wish that they had had children.
Phylum. Starfish belong to the phylum Echinodermata, which is the largest phylum without any members that live on land or in fresh water. Echinoderms have five-point radial symmetry as adults, but are bilaterally symmetrical as larvae. They have an endoskeleton consisting of calcareous plates that often include spines.upiterimages/Photos.com/Getty Images. Although fish and starfish both belong to the kingdom Animalia -- which is the largest division of taxonomic classification -- starfish lack a spine, and therefore belong to a different phylum than true fish.
Interesting Starfish Facts: Although they are named starfish, they are not related to fish at all. Starfish belong to the group of marine invertebrates which also include sea cucumber, sea urchin and sand dollar. Their star-like shape is the reason why they are named starfish or sea stars.nteresting Starfish Facts: Although they are named starfish, they are not related to fish at all. Starfish belong to the group of marine invertebrates which also include sea cucumber, sea urchin and sand dollar. Their star-like shape is the reason why they are named starfish or sea stars.